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Add support for triggered buffers.
Data format is quite simple:
distance 16 Bit
alignment 48 Bit
timestamp 64 Bit
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Added MODULE_DEVICE_TABLE for device tree bindings.
It used to work without it by using the i2c_device_id table, but adding the
table makes everything clear and documented.
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
add support to STMicroelectronics LIS2MDL magnetometer in
st_magn framework
http://www.st.com/resource/en/datasheet/lis2mdl.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Without the triggered buffer code, we get a link error:
drivers/iio/adc/at91-sama5d2_adc.o: In function `at91_adc_probe':
at91-sama5d2_adc.c:(.text+0x938): undefined reference to `devm_iio_triggered_buffer_setup'
This adds a Kconfig 'select' statement like other ADC
drivers have it already.
Fixes: 5e1a1da0f8 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove int2 configuration parameter for LIS3DH, LSM303DLHC, LSM330D,
LSM330DL, LSM330DLC, LSM303AGR, LIS2DH12 and LNG2DM since these devices
export just int1 as data-ready line
Fixes: 23cde4d65c (iio: Added platform data to select the DRDY pin)
Fixes: dcdb0a78ca (iio: accel: st_accel: add support to lng2dm)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove int2 configuration parameter for LPS22HB and LPS25H since
these devices export just int1 as data-ready line
Fixes: 931878405b (iio:pressure: Add support for LPS25H pressure sensor)
Fixes: e039e2f5b4 (iio:st_pressure:initial lps22hb sensor support)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch fix following checkpatch warnings in xadc driver
1. prefer 'unsigned int' to bare use of 'unsigned'.
2. else is not generally useful after a break or return.
3. fill all function definition arguments with identifier name
Signed-off-by: Sai Krishna Potthuri <lakshmis@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
platform_get_irq() returns an error code, but the ad7606_par driver
ignores it and always returns -ENODEV. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.
Print and propagate the return value of platform_get_irq on failure.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add device tree bindings document for saradc on
rockchip rv1108 soc.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add output compare trigger sources available on some instances.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for STM32H7 timer triggers:
- Add new valids_table
- Introduce compatible, with configuration data
- Extend up to 15 timers, available on STM32H7
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
STM32H7 has slightly different triggers than previous versions.
Introduce st,stm32h7-timer-trigger compatible to handle this new variant.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Allow user to call install target.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a nice buildsystem dedicated for userspace tools in Linux kernel tree.
Switch iio target to be built by it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
SPI device registered via OF will always match a legacy SPI device ID and
that the MODALIAS reported will always be of the form spi:<device>.
There is an ACPI method to enumerate such devices via specific ACPI ID
and use of compatible strings. It will not work for the drivers which
have no OF match ID table present.
Besides this could change in the future so the correct approach is to
have an OF device ID table if the devices are registered via OF.
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
STM32 ADC allows each channel to be sampled with a different sampling time,
by setting SMPR registers. Basically, value depends on local electrical
properties. Selecting correct value for sampling time highly depends on
analog source impedance. There is a manual that may help in this process:
'How to get the best ADC accuracy in STM32...'
This patch allows to configure minimum sampling time via device tree,
either for:
- all channels at once:
st,min-sample-time-nsecs = <10000>;
- independently for each channel (must match "st,adc-channels" list):
st,adc-channels = <0 1>;
st,min-sample-time-nsecs = <5000 10000>;
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
STM32 ADC allows each channel to be sampled with a different sampling
time. There's an application note that deals with this: 'How to get
the best ADC accuracy in STM32...' It basically depends on analog input
signal electrical properties (depends on board).
Add optional 'st,min-sample-time-nsecs' property so this can be tuned
in dt.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
"val" can be negative, so we'd write before the start of the
par->gpio.db[] array.
Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The return values on error are modified to be valid error codes. Theses
error codes are propagated back to the init function's return.
Signed-off-by: Jacob von Chorus <jacobvonchorus@cwphoto.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The bitstream storage variables were changed from char to u8 arrays to
prevent issues such as negative lengths. This change makes the code
compatible with the "data" field in "struct firmware" which is of type
u8.
Signed-off-by: Jacob von Chorus <jacobvonchorus@cwphoto.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Four fields in struct fpgaimage are char arrays of length MAX_STR (256).
The amount of data read into these buffers is controlled by a length
field in the bitstream file read from userspace. If a corrupt or
malicious firmware file was supplied, kernel data beyond these buffers
can be overwritten arbitrarily.
This patch adds a check of the bitstream's length value to ensure it
fits within the bounds of the allocated buffers. An error condition is
returned from gs_read_bitstream if any of the reads fail.
Signed-off-by: Jacob von Chorus <jacobvonchorus@cwphoto.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move macro definitions from source file into respective header file
This concludes macro cleanup as outlined in TODO
Signed-off-by: Dmytro Shynkevych <dm.shynk@gmail.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Module parameter vbox_modeset and structure vbox_bo_driver do not need to
be in global scope and hence can be made static.
Cleans up a couple of sparse warnings:
symbol 'vbox_modeset' was not declared. Should it be static?
symbol 'vbox_bo_driver' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Michael Thayer <michael.thayer@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix compiler warnings:
vbox_mode.c:57:15: warning: variable ‘crtc_id’ set but not used
vbox_mode.c:581:25: warning: variable ‘vbox_connector’ set but not used
Signed-off-by: Paolo Cretaro <paolocretaro@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Michael Thayer <michael.thayer@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes typos in vboxvideo's help text. Most notably, "to builtin
this module" becomes "to build this driver built-in to the kernel".
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The vboxvideo code uses various gen_pool_* functions, so it needs
lib/genalloc.c to be built. In some configs this is not happening,
so add select GENERIC_ALLOCATOR to the Kconfig file to enforce this.
Note all other Kconfig references to GENERIC_ALLOCATOR also use select.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I ran into this link error on an ARM OABI build:
drivers/staging/pi433/rf69.o: In function `rf69_set_frequency':
rf69.c:(.text+0xc9c): undefined reference to `__udivdi3'
No idea why I didn't see it with the default EABI configurations,
but the right solution here seems to be to use div_u64()
to get the external division implementation.
Fixes: 874bcba65f ("staging: pi433: New driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixed the alignment of block comments
Found using checkpatch
Signed-off-by: Derek Robson <robsonde@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function rf69_set_bandwidth_intern is local to the source
and do not need to be in global scope, so make it static. Also
break overly wide line.
Cleans up sparse warning:
symbol 'update_share_count' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Error should be checked with IS_ERR after calling kthread_run()
instead of comparing the returned pointer to an int.
Found by sparse warning:
incompatible types for operation (<)
left side has type struct task_struct *tx_task_struct
right side has type int
Signed-off-by: Joseph Wright <rjosephwright@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Tested-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Declare functions static to fix sparse warnings:
warning: symbol 'pi433_receive' was not declared. Should it be static?
warning: symbol 'pi433_tx_thread' was not declared. Should it be static?
Signed-off-by: Joseph Wright <rjosephwright@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The pi433 driver uses SPI interfaces so it should depend on SPI.
Also, the "default n" can be removed since that is already the
default.
Fixes these build errors when SPI is not enabled:
drivers/staging/pi433/pi433_if.o: In function `pi433_probe':
pi433_if.c:(.text+0x1135): undefined reference to `spi_setup'
pi433_if.c:(.text+0x1177): undefined reference to `spi_write_then_read'
drivers/staging/pi433/pi433_if.o: In function `pi433_init':
pi433_if.c:(.init.text+0xb8): undefined reference to `__spi_register_driver'
drivers/staging/pi433/rf69.o: In function `rf69_read_fifo':
rf69.c:(.text+0x102): undefined reference to `spi_sync'
drivers/staging/pi433/rf69.o: In function `rf69_write_fifo':
rf69.c:(.text+0x248): undefined reference to `spi_sync'
drivers/staging/pi433/rf69.o: In function `rf69_read_reg':
rf69.c:(.text+0x290): undefined reference to `spi_write_then_read'
drivers/staging/pi433/rf69.o: In function `rf69_write_reg':
rf69.c:(.text+0x523): undefined reference to `spi_sync'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
copy_to_user() to user returns the number of bytes that weren't copied,
but we should be returning -EFAULT to the user.
Fixes: 874bcba65f ("staging: pi433: New driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kfree(NULL) is safe and their is no need for a NULL check. Pointed out
by checkpatch.
Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The SSI_LOG macros already add __func__ to log messages, so remove
log message that add them a second time in the log message itself.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the rtw_mlme_ext.c file that fixes up a brace error
found by the checkpatch.pl tool
Signed-off-by: Armin Schoenlieb <armetallica@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Trivial fix to spelling mistake in IEEE80211_DEBUG message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The cfg_action bit comes from the high bit of pmsg[4] so the
current mask and shift are in correct and always result in
zero. Fix this by using the correct mask and shif to get the
correct cfg_action bit value.
Detected by CoverityScan, CID#142890 ("Operands don't affect result")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix an error detected by checkpatch.pl on line 75 and move the opening
brace after the function signature to a new line.
Signed-off-by: Munir Contractor <munircontractor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch.pl line over 80 characters so fix the formatting
for coding style compliance.
Signed-off-by: Deb McLemore <debmc@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Unnecessary platform_set_drvdata() has been removed since the driver
core clears the driver data to NULL after device release or on
probe failure. There is no need to manually clear the device
driver data to NULL.
The Coccinelle semantic patch used to make this change is as follows:
//<smpl>
@@
struct platform_device *pdev;
@@
- platform_set_drvdata(pdev, NULL);
//</smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
attribute_group are not supposed to change at runtime. All functions
working with attribute_group provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
